Selena Gomez revealed in 2017 that she had a transplant after battling lupus for several years.
Credit:	Tibrina Hobson/Getty Images

Selena Gomez revealed in 2017 that she had a transplant after battling lupus for several years.
Credit: Tibrina Hobson/Getty Images

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NBC apologizes for Selena Gomez kidney transplant joke on 'Saved by the Bell' reboot

NBC Universal is apologizing to Selena Gomez after one of its newest shows mocked her kidney transplant.